various protocols

The protocol port is always encountered when configuring firewall policies, releasing traffic, and testing services in the workplace. For example, I only allow Telnet traffic to pass, and then I need to know the port number of the Telnte protocol.

The Most mature 3G network system is the WCDMA developed by the 3GPP project team. WCDMA network structure, can refer to Figure 12.1, which has several characteristics. 1. Reverse-compatible Gsm/grps network.     The base station subsystem (BSS)

Antpower All Rights Reserved 2003 Technical Articles Http://www.antpower.org 1st pages 14 pages Antpower-Technical article Introduction to three common IP packet sending tools Lang Guojun, an ambitious member of

In today's world, people's computers are interconnected and interconnected. Small to your Home area network (LAN), the largest one is what we call the Internet. When you manage a networked computer, you are managing one of the most critical

How to implement USB Mass Storage drive under LinuxVersion:v0.7How to Write Linux USB MSC (Mass Storage Class) Drivercrifan Li SummaryThis paper mainly introduces the relationship between the various protocols of USB Mass storage, and how to

Http://www.cnblogs.com/zmkeil/archive/2013/05/01/3053545.htmlThis title is more tangled, the previously known PPPoE as the underlying carrier of the PPP protocol, and in fact it is a complete protocol, but its implementation is relatively simple, it

Part1: From a developer ' s perspective, one of the most significant changes in IOS 7, and OS X Mavericks for that matter, is the I Ntroduction of Nsurlsession. Even thoughnsurlsession may seem daunting at a-glance, it's important that you

For network interconnection engineers, it is very important to establish an Internet dynamic routing. Not only do you need to understand the concept of routing, but you must also know how to put it into practice. For now, network equipment is mainly

For Network Interconnection engineers, it is very important to establish an Internet dynamic route. This requires not only understanding the concept of routing, but also how to put it into practice. Currently, network devices are provided by large

Sniffer principle: Today, when it comes to hacker attacks, it generally refers to attacks on the system in an active way, such as exploiting vulnerabilities or guessing system passwords. However, there is another type of passive attack that is

Common namespace System. Collections in. NET Framework-it contains interfaces and classes that define a collection of various objects (such as lists, queues, arrays, hash tables, and dictionaries. System. collections. generic: contains interfaces

In-depth analysis of NoSQL database distributed algorithms (graphic details), nosql text Although the NoSQL movement has not brought about fundamental technological changes to distributed data processing, it still triggers overwhelming research and

C # CIDR Block Scanning Summary   I think everyone is very familiar with the scanners such as Xiaorong time. Do you have the impulse to write your own articles. Recently, Microsoft has implemented the push. net strategic solution. C # is the

Ch1. Overview Computer Networks are a magical world in which information is rapidly transmitted, it seems to me that we are studying how such information is transmitted from an isolated computer to another computer. First, let's think about some non-

Article title: creating a network router in Linux (1 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. For

In centos, when we need to capture network packet analysis, we usually use tcpdump to capture the network raw packet and save it to a file, and then download it to the local machine to use the wireshark interface network analysis tool for network

C # namespace Daquan detailed tutorialThe System namespace contains basic classes that define data types, events, and event handlers;The System.Data namespace contains namespaces and classes that provide data access capabilities;The System.IO

CURL is a tool for connecting and communicating with various servers using various protocols. It is a powerful library that supports http, https, ftp, telnet, file, and other protocols. It also supports HTTPS authentication, HTTPPOST, HTTP CURL is

How to implement USB Mass Storage drive under LinuxVersion:v0.7How to Write Linux USB MSC (Mass Storage Class) Drivercrifan Li SummaryThis paper mainly introduces the relationship between the various protocols of USB Mass storage, and how to

A common Web server and application serverThe most widely used free Web server on UNIX and Linux platforms is the Web server, NCSA and Apache server, while the Windows platform nt/2000/2003 uses IIS.Some of the features that you should consider when